package test;

public class YootkDemo1 {
    public static void main(String[] args) throws Exception {
        StringBuffer buffer = new StringBuffer(30);
        buffer.append("www.yootk.com").insert(0,"沐言科技:");
        System.out.println("【数据删除】" + buffer.delete(0,5));
        System.out.println("【数据替换】" + buffer.replace(0,13,"edu.yootk.com"));
        System.out.println("【数据反转】" + buffer.reverse());
    }
}





